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KB Electronics KBVF-23D User Manual

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“The Right Control for Your Application.”
12095 NW 39 Street, Coral Springs, FL 33065-2516
KB Electronics, Inc. Phone: 954-346-4900; Fax: 954-346-3377
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(A40288) - Rev. E - 6/6/2005 - Z3562E00 Page 1 of 20
Front Page
Installation and Operation Manual
KBVF SERIES
Chassis / IP-20 Inverters
Variable Speed / Soft-Start AC Motor Drive
with Electronic Motor Overload Protection*
Rated for 208-230 Volt 50 & 60 Hz
3-Phase & PSC** AC Induction Motors
from Subfractional thru 1½ HP
Operates from 115 and 208/230 Volt
50/60 Hz AC Line Input
See Safety Warning, on page XX.
This manual covers Models
KBVF-21D, 22D, 13, 23, 23D, 14, 24, 24D, 26D
Note: The drive is factory set for 60 Hz motors. For 50 Hz motors, see Section 6.2, on page XX.
The information contained in this manual is intended to be accurate. However, the manufacturer
retains the right to make changes in design which may not be included herein.
***
A Complete Line of Motor Drives
****
* UL approved as an electronic overload protector for motors. ** Custom software is required for PSC
motors. See PSC Motor Addendum (Part No.
AXXXXX). *** Requires CE approved RFI Filter. See RFI
Filters & Chokes Selection Guide D-321 (Part No. A42027) for selection of filters to meet the Industrial or
Residential Standard. **** Models KBVF-22D, 13, 23, 23D, 14, 24, 24D, 26D are UL Listed for USA and
Canada. Other models pending.
© 2005 KB Electronics, Inc. (see back cover)
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KB Electronics KBVF-23D Specifications

General IconGeneral
BrandKB Electronics
ModelKBVF-23D
CategoryController
LanguageEnglish

Summary

Quick-Start Instructions

AC Line Connection

Connects the single-phase AC line input to Terminals "L1" and "L2" for the drive.

AC Line Fusing

Recommends fuse or circuit breaker installation in the AC line for protection.

Safety Warnings and Symbols

Safety Warning Symbols

Explains electrical and operational hazard warning symbols used in the manual.

Product Introduction

Protection Features

Lists motor overload, inrush current limit, short circuit, and other protective functions.

Trimpot Adjustments Overview

Electronic Motor Overload Protection

Finger-Safe Cover

Provides protection against accidental contact with high voltage.

Setting Selectable Jumpers

Motor Frequency and Output Frequency Selection

Setting Jumpers J1 and J2 for 60Hz/50Hz motor operation and 2x RPM output.

Mounting Instructions

Wiring Instructions

AC Line Fusing

Drive Operation

Fault Recovery

Describes how the drive automatically restarts after certain faults are cleared.

Restarting After I't Fault

Methods to restart the drive after an I't fault, including power cycle or speed setting.

Diagnostic LEDs

Trimpot Adjustments

Acceleration (ACC) Trimpot

Boost (DEC/B) Trimpot (50 Hz Mode)

Motor Overload (I²t) and Current Limit (CL)

Sets current limit to prevent burnout and nuisance trips; factory set to 160% of drive rating.

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